May 17, 2026, 11:40 PM

inbox/DataBase/PostgreSQL/database/query_execution_time.sql

@@ -0,0 +1,19 @@
+-- Monitor query execution time
+
+select substr(query,1,100) query,calls,min_time/1000 "min_time(in sec)" , max_time/1000 "max_time(in sec)", mean_time/1000 "avg_time(in sec)", rows from pg_stat_statements order by mean_time desc;
+
+-------------------------------------------------------------------------------------------------------------------------------------------------------
+
+NOTE:
+
+If pg_stat_statements is not available in your database, then activate using below:
+-- Add below parameters in postgres.conf file and restart the postgres cluster
+
+shared_preload_libraries = 'pg_stat_statements'
+pg_stat_statements.track = all
+
+sudo service postgresql restart
+
+-- Now create extension:
+
+dbaclass=# create extension pg_stat_statements;